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Finding the Fourth Proportional to 356,417.94, 533,149.44 and 271,535.88

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Solution

The fourth proportional to 356,417.94, 533,149.44 and 271,535.88 is: 406,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,417.94 : 533,149.44 = 271,535.88 : x
  2. Step 2: Convert to fraction form
    356,417.94/533,149.44 = 271,535.88/x
  3. Step 3: Cross multiply
    356,417.94x = 533,149.44 × 271,535.88
  4. Step 4: Simplify right side
    356,417.94x = 144,769,202,361.91
  5. Step 5: Solve for x
    x = 144,769,202,361.91/356,417.94
  6. Step 6: Final answer
    x = 406,178.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.